228 lines
7.4 KiB
C
228 lines
7.4 KiB
C
/**
|
|
******************************************************************************
|
|
* @file stm32vl_discovery.c
|
|
* @author MCD Application Team
|
|
* @version V1.0.2
|
|
* @date 14-April-2017
|
|
* @brief This file provides
|
|
* - set of firmware functions to manage Led and push-button
|
|
* available on STM32VL-Discovery board from STMicroelectronics.
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted provided that the following conditions are met:
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* 3. Neither the name of STMicroelectronics nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "stm32vl_discovery.h"
|
|
|
|
/** @addtogroup BSP
|
|
* @{
|
|
*/
|
|
|
|
/** @defgroup STM32VL_DISCOVERY STM32VL Discovery
|
|
* @brief This file provides firmware functions to manage Leds and push-buttons
|
|
* available on STM32VL discovery board from STMicroelectronics.
|
|
* @{
|
|
*/
|
|
|
|
/** @defgroup STM32VL_DISCOVERY_Private_Defines STM32VL DISCOVERY Private Defines
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief STM32VL-Discovery BSP Driver version number
|
|
*/
|
|
#define __STM32VL_DISCO_BSP_VERSION_MAIN (0x01) /*!< [31:24] main version */
|
|
#define __STM32VL_DISCO_BSP_VERSION_SUB1 (0x00) /*!< [23:16] sub1 version */
|
|
#define __STM32VL_DISCO_BSP_VERSION_SUB2 (0x02) /*!< [15:8] sub2 version */
|
|
#define __STM32VL_DISCO_BSP_VERSION_RC (0x00) /*!< [7:0] release candidate */
|
|
#define __STM32VL_DISCO_BSP_VERSION ((__STM32VL_DISCO_BSP_VERSION_MAIN << 24)\
|
|
|(__STM32VL_DISCO_BSP_VERSION_SUB1 << 16)\
|
|
|(__STM32VL_DISCO_BSP_VERSION_SUB2 << 8 )\
|
|
|(__STM32VL_DISCO_BSP_VERSION_RC))
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup STM32VL_DISCOVERY_Private_Variables STM32VL DISCOVERY Private Variables
|
|
* @{
|
|
*/
|
|
GPIO_TypeDef* LED_PORT[LEDn] = {LED3_GPIO_PORT,
|
|
LED4_GPIO_PORT};
|
|
|
|
const uint16_t LED_PIN[LEDn] = {LED3_PIN,
|
|
LED4_PIN};
|
|
|
|
|
|
GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {USER_BUTTON_GPIO_PORT};
|
|
const uint16_t BUTTON_PIN[BUTTONn] = {USER_BUTTON_PIN};
|
|
const uint8_t BUTTON_IRQn[BUTTONn] = {USER_BUTTON_EXTI_IRQn};
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
/** @defgroup STM32VL_DISCOVERY_Exported_Functions STM32VL DISCOVERY Exported Functions
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief This method returns the STM32VL-Discovery BSP Driver version
|
|
* @retval version : 0xXYZR (8bits for each decimal, R for RC)
|
|
*/
|
|
uint32_t BSP_GetVersion(void)
|
|
{
|
|
return __STM32VL_DISCO_BSP_VERSION;
|
|
}
|
|
|
|
/**
|
|
* @brief Configures LED GPIO.
|
|
* @param Led: Specifies the Led to be configured.
|
|
* This parameter can be one of following parameters:
|
|
* @arg LED3
|
|
* @arg LED4
|
|
*/
|
|
void BSP_LED_Init(Led_TypeDef Led)
|
|
{
|
|
GPIO_InitTypeDef gpioinitstruct = {0};
|
|
|
|
/* Enable the GPIO_LED Clock */
|
|
LEDx_GPIO_CLK_ENABLE(Led);
|
|
|
|
/* Configure the GPIO_LED pin */
|
|
gpioinitstruct.Pin = LED_PIN[Led];
|
|
gpioinitstruct.Mode = GPIO_MODE_OUTPUT_PP;
|
|
gpioinitstruct.Pull = GPIO_NOPULL;
|
|
gpioinitstruct.Speed = GPIO_SPEED_FREQ_HIGH;
|
|
HAL_GPIO_Init(LED_PORT[Led], &gpioinitstruct);
|
|
|
|
/* Reset PIN to switch off the LED */
|
|
HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_RESET);
|
|
}
|
|
|
|
/**
|
|
* @brief Turns selected LED On.
|
|
* @param Led: Specifies the Led to be set on.
|
|
* This parameter can be one of following parameters:
|
|
* @arg LED3
|
|
* @arg LED4
|
|
*/
|
|
void BSP_LED_On(Led_TypeDef Led)
|
|
{
|
|
HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_SET);
|
|
}
|
|
|
|
/**
|
|
* @brief Turns selected LED Off.
|
|
* @param Led: Specifies the Led to be set off.
|
|
* This parameter can be one of following parameters:
|
|
* @arg LED3
|
|
* @arg LED4
|
|
*/
|
|
void BSP_LED_Off(Led_TypeDef Led)
|
|
{
|
|
HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_RESET);
|
|
}
|
|
|
|
/**
|
|
* @brief Toggles the selected LED.
|
|
* @param Led: Specifies the Led to be toggled.
|
|
* This parameter can be one of following parameters:
|
|
* @arg LED3
|
|
* @arg LED4
|
|
*/
|
|
void BSP_LED_Toggle(Led_TypeDef Led)
|
|
{
|
|
HAL_GPIO_TogglePin(LED_PORT[Led], LED_PIN[Led]);
|
|
}
|
|
|
|
/**
|
|
* @brief Configures Button GPIO and EXTI Line.
|
|
* @param Button: Specifies the Button to be configured.
|
|
* This parameter should be: BUTTON_USER
|
|
* @param Button_Mode: Specifies Button mode.
|
|
* This parameter can be one of following parameters:
|
|
* @arg BUTTON_MODE_GPIO: Button will be used as simple IO
|
|
* @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt
|
|
* generation capability
|
|
*/
|
|
void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode)
|
|
{
|
|
GPIO_InitTypeDef gpioinitstruct = {0};
|
|
|
|
/* Enable the BUTTON Clock */
|
|
BUTTONx_GPIO_CLK_ENABLE(Button);
|
|
|
|
gpioinitstruct.Pin = BUTTON_PIN[Button];
|
|
gpioinitstruct.Pull = GPIO_NOPULL;
|
|
gpioinitstruct.Speed = GPIO_SPEED_FREQ_HIGH;
|
|
|
|
if (Button_Mode == BUTTON_MODE_GPIO)
|
|
{
|
|
/* Configure Button pin as input */
|
|
gpioinitstruct.Mode = GPIO_MODE_INPUT;
|
|
HAL_GPIO_Init(BUTTON_PORT[Button], &gpioinitstruct);
|
|
}
|
|
else if (Button_Mode == BUTTON_MODE_EXTI)
|
|
{
|
|
/* Configure Button pin as input with External interrupt */
|
|
gpioinitstruct.Mode = GPIO_MODE_IT_RISING;
|
|
HAL_GPIO_Init(BUTTON_PORT[Button], &gpioinitstruct);
|
|
|
|
/* Enable and set Button EXTI Interrupt to the lowest priority */
|
|
HAL_NVIC_SetPriority((IRQn_Type)(BUTTON_IRQn[Button]), 0x0F, 0);
|
|
HAL_NVIC_EnableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Returns the selected Button state.
|
|
* @param Button: Specifies the Button to be checked.
|
|
* This parameter should be: BUTTON_USER
|
|
* @retval Button state.
|
|
*/
|
|
uint32_t BSP_PB_GetState(Button_TypeDef Button)
|
|
{
|
|
return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
|
|